//GEN-BEGIN:Client
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 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
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 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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 * accompanied this code. If applicable, add the following below the
 * License Header, with the fields enclosed by brackets [] replaced by
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 * Contributor(s):
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 * Portions Copyrighted 2009 Sun Microsystems, Inc.
 */
/**
 * This file is generated. Please do not change
 */
package pl.kgierlicka.toupper.web.servlet;

import java.io.DataInput;
import javax.servlet.http.HttpSession;

/**
 * This interface is used to abstract the servlet from the functionality be it
 * an EJB or a plain Java class or a Web service.
 */
public interface InvocationAbstraction {

    /**
     * This method performs the actual invocation of server functionality. It is
     * used by the servlet to delegate functionality to external classes.
     *
     * @param session this http session
     * @param input The stream from which we should read the parameters for the
     * methods
     * @return The return value for the method NULL IS NOT SUPPORTED!!!!
     * @throws java.lang.Exception Thrown when a protocol error occurs
     */
    public Object invoke(HttpSession session, DataInput input) throws Exception;

    /**
     * Return ID's for parameters in order they are called
     */
    public int[] getIds();

    public int[] getReturnIds();
}
//GEN-END:Client